4A输出电流功率MOSFET的单片降压开关模式稳压器CXSD62390固定400kHz频率7V至18V工作输入

The CXSD62390 is a monolithic step-down switch mode regulator with a built in internal power MOSFET. It achieves 4A continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting, output short circuit protection and thermal shutdown. In shutdown mode the regulator draws 25μA of supply current. Programmable soft-start overwrites the internal soft-start for various requirement of output power up ramp and minimizes the inrush supply current at initial startup. The CXSD62390 requires a minimum number of readily available standard external components. It is available in a DIP-8 and SOP-8 (FD) package.

产品特点 返回TOPy7i嘉泰姆

„ 4A Output Current y7i嘉泰姆

„ Stable with Low ESR Output Ceramic Capacitors y7i嘉泰姆

„ Up to 90% Efficiency y7i嘉泰姆

„ 25μA Shutdown Mode y7i嘉泰姆

„ Fixed 400kHz Frequency y7i嘉泰姆

„ Thermal Shutdown y7i嘉泰姆

„ Cycle-by-Cycle Over Current Protection y7i嘉泰姆

„ Wide 7V to 18V Operating Input Range y7i嘉泰姆

„ Available in DIP-8 and SOP-8 (FD) Packagey7i嘉泰姆

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„ Pre-Regulator for Linear Regulatorsy7i嘉泰姆

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Asynchronous Step Down Convertery7i嘉泰姆
Part NO.y7i嘉泰姆	Vin(V)y7i嘉泰姆 min.y7i嘉泰姆	Vin(V)y7i嘉泰姆 max.y7i嘉泰姆	IOUTy7i嘉泰姆 (A)y7i嘉泰姆	FSWy7i嘉泰姆 (kHz)y7i嘉泰姆	FB(V)y7i嘉泰姆	Dutyy7i嘉泰姆 max(%)y7i嘉泰姆	IQy7i嘉泰姆 (μA)y7i嘉泰姆	Notey7i嘉泰姆	Packagey7i嘉泰姆
CXSD62374y7i嘉泰姆	4.5y7i嘉泰姆	24y7i嘉泰姆	1.5y7i嘉泰姆	1400y7i嘉泰姆	0.92y7i嘉泰姆	65y7i嘉泰姆	1300y7i嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SSy7i嘉泰姆	SOP-8(FD)y7i嘉泰姆
CXSD62375y7i嘉泰姆	5.5y7i嘉泰姆	20y7i嘉泰姆	3y7i嘉泰姆	300y7i嘉泰姆	0.8y7i嘉泰姆	100y7i嘉泰姆	1000y7i嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NCy7i嘉泰姆	SOP-8y7i嘉泰姆
CXSD62376y7i嘉泰姆	5y7i嘉泰姆	14y7i嘉泰姆	2y7i嘉泰姆	500y7i嘉泰姆	0.8y7i嘉泰姆	100y7i嘉泰姆	300y7i嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LXy7i嘉泰姆	SOP-8y7i嘉泰姆
CXSD62377y7i嘉泰姆	4.75y7i嘉泰姆	20y7i嘉泰姆	2y7i嘉泰姆	500y7i嘉泰姆	1.2y7i嘉泰姆	100y7i嘉泰姆	1000y7i嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCy7i嘉泰姆	SOP-8y7i嘉泰姆
CXSD62378y7i嘉泰姆	4.75y7i嘉泰姆	20y7i嘉泰姆	3y7i嘉泰姆	500y7i嘉泰姆	1.2y7i嘉泰姆	100y7i嘉泰姆	1000y7i嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCy7i嘉泰姆	SOP-8(FD)y7i嘉泰姆
CXSD62379y7i嘉泰姆	4.75y7i嘉泰姆	20y7i嘉泰姆	2.5y7i嘉泰姆	500y7i嘉泰姆	0.8y7i嘉泰姆	100y7i嘉泰姆	1000y7i嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCy7i嘉泰姆	SOP-8y7i嘉泰姆
CXSD62380y7i嘉泰姆	4.75y7i嘉泰姆	20y7i嘉泰姆	2y7i嘉泰姆	380y7i嘉泰姆	1.22y7i嘉泰姆	100y7i嘉泰姆	1000y7i嘉泰姆	NC, IN, LX, GND, FB, EN, SSy7i嘉泰姆	SOP-8y7i嘉泰姆
CXSD62381y7i嘉泰姆	4.75y7i嘉泰姆	20y7i嘉泰姆	2y7i嘉泰姆	380y7i嘉泰姆	0.92y7i嘉泰姆	100y7i嘉泰姆	1000y7i嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, y7i嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SSy7i嘉泰姆	SOP-8/MSOP-10(FD)y7i嘉泰姆
CXSD62382/3y7i嘉泰姆	4.75y7i嘉泰姆	20y7i嘉泰姆	3y7i嘉泰姆	380y7i嘉泰姆	1.22/0.92y7i嘉泰姆	100y7i嘉泰姆	1000y7i嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SSy7i嘉泰姆	SOP-8(FD)y7i嘉泰姆
CXSD62384y7i嘉泰姆	3y7i嘉泰姆	5.5y7i嘉泰姆	2y7i嘉泰姆	ADJy7i嘉泰姆	0.8y7i嘉泰姆	100y7i嘉泰姆	2000y7i嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FBy7i嘉泰姆	SOP-8y7i嘉泰姆
CXSD62385y7i嘉泰姆	3y7i嘉泰姆	5.5y7i嘉泰姆	4y7i嘉泰姆	ADJy7i嘉泰姆	0.8y7i嘉泰姆	100y7i嘉泰姆	2000y7i嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FBy7i嘉泰姆	SOP-8(FD)y7i嘉泰姆
CXSD62386/Ay7i嘉泰姆	4.5y7i嘉泰姆	24y7i嘉泰姆	2y7i嘉泰姆	380y7i嘉泰姆	1.22/0.92y7i嘉泰姆	90y7i嘉泰姆	1500y7i嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSy7i嘉泰姆	SOP-8/MSOP-10(FD)y7i嘉泰姆
CXSD62387/Ay7i嘉泰姆	4.5y7i嘉泰姆	24y7i嘉泰姆	3y7i嘉泰姆	380y7i嘉泰姆	1.22/0.92y7i嘉泰姆	90y7i嘉泰姆	1500y7i嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSy7i嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)y7i嘉泰姆
CXSD62388/Ay7i嘉泰姆	4.75y7i嘉泰姆	24y7i嘉泰姆	2y7i嘉泰姆	380y7i嘉泰姆	1.22/0.92y7i嘉泰姆	90y7i嘉泰姆	1500y7i嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, ENy7i嘉泰姆	SOP-8y7i嘉泰姆
CXSD62389y7i嘉泰姆	4.5y7i嘉泰姆	28y7i嘉泰姆	3y7i嘉泰姆	ADJy7i嘉泰姆	0.8y7i嘉泰姆	90y7i嘉泰姆	170y7i嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BSy7i嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)y7i嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-8y7i嘉泰姆
CXSD62390y7i嘉泰姆	7y7i嘉泰姆	18y7i嘉泰姆	4y7i嘉泰姆	400y7i嘉泰姆	0.8y7i嘉泰姆	90y7i嘉泰姆	700y7i嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMPy7i嘉泰姆	SOP-8(FD)y7i嘉泰姆
CXSD62391y7i嘉泰姆	6.5y7i嘉泰姆	24y7i嘉泰姆	2y7i嘉泰姆	385y7i嘉泰姆	1.22/0.92y7i嘉泰姆	90y7i嘉泰姆	1500y7i嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSy7i嘉泰姆	SOP-8y7i嘉泰姆
CXSD62392y7i嘉泰姆	4.5y7i嘉泰姆	28y7i嘉泰姆	3y7i嘉泰姆	380y7i嘉泰姆	1.22y7i嘉泰姆	90y7i嘉泰姆	1500y7i嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSy7i嘉泰姆	SOP-8(FD)y7i嘉泰姆

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